Finding the Fourth Proportional to 626,809.19, 865,014.39 and 368,704.91
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Solution
The fourth proportional to 626,809.19, 865,014.39 and 368,704.91 is: 508,823.20
Step by Step Solution
- Step 1: Write the proportion equation
626,809.19 : 865,014.39 = 368,704.91 : x - Step 2: Convert to fraction form
626,809.19/865,014.39 = 368,704.91/x - Step 3: Cross multiply
626,809.19x = 865,014.39 × 368,704.91 - Step 4: Simplify right side
626,809.19x = 318,935,054,976.19 - Step 5: Solve for x
x = 318,935,054,976.19/626,809.19 - Step 6: Final answer
x = 508,823.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.